Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Hours Before Deadline, Gaps Remain in Iran Nuclear Talks by VOA News Negotiations on curbing Iran's nuclear program entered their final hours Tuesday before a self-imposed midnight deadline, with teams from Iran and a group of six world powers trying to resolve 18 months of talks into the outline of a comprehensive agreement. Officials in Lausanne, Switzerland, expressed a mix of hope and caution about the work that remained to overcome differences on pieces such as how long the deal should last, how quickly economic sanctions against Iran should be lifted, and what to do if Iran violates the terms. U.S. Secretary of State John Kerry said "some difficult issues" remain, while Iran's chief negotiator, Abbas Aragchi, said a deal could be reached perhaps Tuesday or Wednesday. Iran and the group that includes Britain, China, France, Russia, the United States and Germany have a history of extending their deadlines, having done so twice since agreeing to an interim nuclear deal in November 2013. But U.S. State Department spokeswoman Marie Harf said Monday that the two sides are focused on keeping the Tuesday deadline. "It has to mean something and the decisions don't get easier after March 31," Harf said. A framework agreement would be followed by additional negotiations to craft the final deal by the end of June. The United Nations and Western governments have imposed multiple rounds of sanctions demanding Iran suspend enrichment activity and other aspects of its nuclear program. Iran wants those to be lifted under the deal. In exchange, the group of world powers wants to ensure Iran's nuclear program is peaceful, and in case Iran does work to develop a weapon, to leave the country no closer than a year away from doing so in order to have time to respond. Iran has long denied wanting to build nuclear weapons and insists its program is solely for civilian purposes. __________________________________________________________________ [1]http://www.voanews.com/content/gaps-remain-in-iran-nuclear-talks/270 0845.html References 1. http://www.voanews.com/content/gaps-remain-in-iran-nuclear-talks/2700845.html